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Frederick, Richard I.; Bowden, Stephen C. – Assessment, 2009
Common rates employed in classificatory testing are the true positive rate (TPR), false positive rate (FPR), positive predictive power (PPP), and negative predictive power (NPP). FPR and TPR are estimated from research samples representing populations to be distinguished by classificatory testing. PPP and NPP are used by clinicians to classify…
Descriptors: Testing, Classification, Psychological Testing, Predictor Variables